Exam 22: Alternating-Current Circuits and Machines

An AC power generator produces 100 A (rms) at 3600 V. The voltage is stepped up to 100,000 V by an ideal transformer, and the energy transmitted through a long-distance power line with a total resistance of 100 $\Omega$ . What is the rms current in the long-distance line?

(Multiple Choice)

4.8/5

(39)

Question 61

A series LCR AC circuit is at resonance. It contains a resistor of 16 $\Omega$ , a capacitor of 0.35 $\mu$ F, and an inductor of 90 mH. If an effective (rms) voltage of 150 V is applied, what is the effective (rms) current when the circuit is in resonance?

(Multiple Choice)

4.8/5

(42)

Question 62

In an LCR circuit, the maximum current is 1 amp. What is the average current?

(Multiple Choice)

4.8/5

(32)

Question 63

An AC series circuit contains a resistor of 20 $\Omega$ , a capacitor of 0.75 $\mu$ F, and an inductor of 80 mH. What frequency should be used to create a resonance condition in the circuit?

(Multiple Choice)

4.9/5

(39)

Question 64

Showing 61 - 64 of 64

An AC power generator produces 100 A (rms) at 3600 V. The voltage is stepped up to 100,000 V by an ideal transformer, and the energy transmitted through a long-distance power line with a total resistance of 100 $\Omega$ . What is the rms current in the long-distance line?

A series LCR AC circuit is at resonance. It contains a resistor of 16 $\Omega$ , a capacitor of 0.35 $\mu$ F, and an inductor of 90 mH. If an effective (rms) voltage of 150 V is applied, what is the effective (rms) current when the circuit is in resonance?

In an LCR circuit, the maximum current is 1 amp. What is the average current?

An AC series circuit contains a resistor of 20 $\Omega$ , a capacitor of 0.75 $\mu$ F, and an inductor of 80 mH. What frequency should be used to create a resonance condition in the circuit?

Introduction

Motion, Forces, and Newtons Laws

Forces and Motion in One Dimension

Forces and Motion in Two and Three Dimensions

Circular Motion and Gravitation

Work and Energy

Momentum, Impulse, and Collisions

Rotational Motion

Energy and Momentum of Rotational Motion

Fluids

Harmonic Motion and Elasticity

Waves

Sound

Temperature and Heat

Gases and Kinetic Theory

Thermodynamics

Electric Forces and Fields

Electric Potential

Electric Currents and Circuits

Magnetic Fields and Forces

Magnetic Induction

Electromagnetic Waves

Geometrical Optics

Wave Optics

Applications of Optics

Relativity

Quantum Theory

Atomic Theory

Nuclear Physics

Physics in the 21st Century

Filters

Exam 22: Alternating-Current Circuits and Machines

An AC power generator produces 100 A (rms) at 3600 V. The voltage is stepped up to 100,000 V by an ideal transformer, and the energy transmitted through a long-distance power line with a total resistance of 100 Ω\OmegaΩ . What is the rms current in the long-distance line?

A series LCR AC circuit is at resonance. It contains a resistor of 16 Ω\OmegaΩ , a capacitor of 0.35 μ\muμ F, and an inductor of 90 mH. If an effective (rms) voltage of 150 V is applied, what is the effective (rms) current when the circuit is in resonance?

In an LCR circuit, the maximum current is 1 amp. What is the average current?

An AC series circuit contains a resistor of 20 Ω\OmegaΩ , a capacitor of 0.75 μ\muμ F, and an inductor of 80 mH. What frequency should be used to create a resonance condition in the circuit?

Introduction

Motion, Forces, and Newtons Laws

Forces and Motion in One Dimension

Forces and Motion in Two and Three Dimensions

Circular Motion and Gravitation

Work and Energy

Momentum, Impulse, and Collisions

Rotational Motion

Energy and Momentum of Rotational Motion

Fluids

Harmonic Motion and Elasticity

Waves

Sound

Temperature and Heat

Gases and Kinetic Theory

Thermodynamics

Electric Forces and Fields

Electric Potential

Electric Currents and Circuits

Magnetic Fields and Forces

Magnetic Induction

Electromagnetic Waves

Geometrical Optics

Wave Optics

Applications of Optics

Relativity

Quantum Theory

Atomic Theory

Nuclear Physics

Physics in the 21st Century

Filters

An AC power generator produces 100 A (rms) at 3600 V. The voltage is stepped up to 100,000 V by an ideal transformer, and the energy transmitted through a long-distance power line with a total resistance of 100 $\Omega$ . What is the rms current in the long-distance line?

A series LCR AC circuit is at resonance. It contains a resistor of 16 $\Omega$ , a capacitor of 0.35 $\mu$ F, and an inductor of 90 mH. If an effective (rms) voltage of 150 V is applied, what is the effective (rms) current when the circuit is in resonance?

An AC series circuit contains a resistor of 20 $\Omega$ , a capacitor of 0.75 $\mu$ F, and an inductor of 80 mH. What frequency should be used to create a resonance condition in the circuit?